Filter element



FIG. 1 is a front view of an end cap for a filter element;

FIG. 2 is a right side view of the end cap, the left side view being a mirror image;

FIG. 3 is a rear view of the end cap;

FIG. 4 is a top plan view of the end cap;

FIG. 5 is a bottom plan view of the end cap; and,

FIG. 6 is a perspective view of the end cap.

The broken lines showing are for illustrative purposes and form no part of the present invention. 

The ornamental design for a filter element, as shown and described. 